Results 41 to 50 of about 273,868 (276)

Validação de método analítico por espectrofotometria UV para sistema emulsionado lipídico contendo benznidazol

Química Nova, 2011
A validation study of an UV spectrophotometric method was conducted for quantitative analysis of benznidazol (BZN) in a lipid. The analytical determinations were performed at 315 nm at 25 ºC.
Letícia Streck, Kátia Solange Cardoso Rodrigues dos Santos, Matheus de Freitas Fernandes-Pedrosa, Arnóbio Antônio da Silva-Júnior, Anselmo Gomes de Oliveira   +4 more
doaj   +1 more source

Preliminary Study of a Ninj1‐Loaded Bimodal Ultrasound/NIR Fluorescence Targeted Molecular Probe for Diagnosing Early‐Stage Inflammation in Coronary Microvascular Dysfunction

Advanced Healthcare Materials, EarlyView.
Coronary microvascular dysfunction (CMD) targeting remains a challenge for precise diagnosis. This work presents a dual‐modal nanoprobe (T‐IR780‐NBs) that combines ultrasound contrast with near‐infrared fluorescence. This technology utilizes proteomics‐derived antibodies that specifically localize to inflamed and injured cardiac tissue, enabling ...
Xiaohui Xu, Lina Guan, Baihetiya Tayier, Chen Yuan, Shangke Chen, Qi Shi, Yuming Mu   +6 more
wiley   +1 more source

Nb2C‐Reinforced Hydrogel Microneedle as Dual ROS‐Scavenging Platform to Promote Diabetic Wound Healing

Advanced Healthcare Materials, EarlyView.
An advanced microneedle patch integrating niobium carbide nanosheets and curcumin is engineered for diabetic wound healing. The system enables dual ROS scavenging and NIR‐enhanced antimicrobial activity, effectively rebalancing the oxidative microenvironment, promoting macrophage repolarization and angiogenesis, and accelerating full‐thickness wound ...
Zhi Zheng, Heyan Huang, Xiangru Chen, Jie Fu, Zhiwei Sun, Mengjuan Tao, Jianwei Mao, Fei Zhang, Zhou Wan, Yuan Li, Dingan Wu, Chuchao Zhou, Yanqing Yang   +12 more
wiley   +1 more source

Lavender hydrosol analysis using UV spectroscopy data and partial least squares regression

MethodsX
The aim of our work was to estimate the composition of hydrosol produced as a byproduct of lavender steam distillation using UV–Vis spectrophotometry in the 200–600 nm wavelength range through a machine learning algorithm.
Sára Preiner, Bálint Levente Tarcsay, Dóra Pethő, Norbert Miskolczi   +3 more
doaj   +1 more source

Total Metabolit Sekunder dan Uji Aktivitas Antioksidan Daun Juwet (Syzygium cumini L.) dengan Spektrofotometer Uv-Vis

Kovalen: Jurnal Riset Kimia, 2023
The aim of this research is to determine the total amount of secondary metabolites (alkaloids, flavonoids, saponins and tannins) contained in the ethanol juice of juwet leaves (Syzygium cumini L.) using the UV-Vis spectrophotometry method and to ...
Tien Wahyu Handayani Tien, Ni Kadek Evy Rasmiyanti, Joni Tandi, Magfirah   +3 more
doaj   +1 more source

Comparison of COD Determination Methods FAS Titrimetric with UV-Vis Spectrophotometry

Helium: Journal of Science and Applied Chemistry, 2023
Liquid waste is one of the factors causing contamination of the aquatic environment. One of the chemical parameters of water quality namely Chemical Oxygen Demand (COD). This research was conducted at three different concentration levels, namely low, medium, and high, with samples of river water, domestic wastewater, and sago liquid waste.
Intan Wulandari, Uswatun Hasanah, Siti Warnasih   +2 more
openaire   +1 more source

Validation of Methylene Blue Analysis Method in Wastewater Samples by Uv-Vis Spectrophotometry

Equilibrium Journal of Chemical Engineering, 2023
<p><strong>Abstract.</strong> Methylene blue (MB) is an extensively utilized cationic dye in the textile industry. MB is, however, a highly noxious substance that can have detrimental effects on both the environment and human health. MB can pollute waterways and cause the mortality of aquatic organisms in the environment.
Mentik Hulupi, Keryanti Keryanti, Karina Aulia Rahmawati, Widya Tresna Dewi, Fauzi Abdilah   +4 more
openaire   +2 more sources

A Cryoprotectant‐Compatible Nanoporous Platform for Stable and Scalable Delivery of Biopharmaceuticals

Advanced Materials, EarlyView.
A cryoprotectant‐compatible nanoporous platform enables ambient‐stable and scalable delivery of gene editing therapeutics. By combining hierarchical pore architecture with optimized lyophilization chemistry, the system preserves Cas9‐RNP activity post‐freeze‐drying.
Sian Lee, Seongchan Kim, Jooyeun Chong, Min‐gyeong Kim, Kayeong Lim, Nan‐Ee Lee, Jahyun Koo, Jiheong Kang, Hyojin Lee   +8 more
wiley   +1 more source

Identifikasi Deksametason dalam Jamu Pegel Linu dengan Metode Kromatografi Lapis Tipis dan Spektrofotometri UV-Vis

JIIS: Jurnal Ilmiah Ibnu Sina, 2016
Identification of dexamethasone has been done on herbal medicine and heal pains are getting warn the public of BPOM. There are 3 herbs and heal pains were getting warn the public of BPOM.
Tria Prayoga, Rahmat Widiyanto, Nur Mekasari   +2 more
doaj  

Analysis of the Lead on Lip Tint Cosmetics on the Market Using UV-Vis Spectrophotometry Method

EduChemia, 2020
Analysis of the lead on lip tint cosmetics on the market has been successfully carried out. Before conducting the lead analysis, the method is first validated using the standard addition and measured by UV-Vis spectrophotometry.
Gatut Ari Wardani, Siti Laila Abiya, Fajar Setiawan   +2 more
doaj   +1 more source